Eric Colburn, PLS

Tag: Topography

  • The U.S. Geological Survey (USGS) Releases New Heights of Accuracy for World Topography

    The U.S. Geological Survey (USGS) Releases New Heights of Accuracy for World Topography

    The U.S. Geological Survey (USGS) and the National Geospatial-Intelligence Agency (NGA) have collaborated in the development of a much improved global elevation model, the Global Multi-resolution Terrain Elevation Data 2010 (GMTED2010). GMTED2010 replaces the widely used, 15-year-old GTOPO30 terrain model as the best available global digital elevation model. Useful for regional-, continental-, and global-scale applications,…

  • Topcon Announces RTP-300 for High-Speed Surface Profiling

    LIVERMORE, Calif. – January 17, 2011 – Topcon Positioning Systems (TPS) new RTP-300 Real Time Profiler collects surface data at speeds up to 65 miles per hour (105 km/hr) and creates an exact model of the existing surface. The RTP-300’s data collection system includes a Topcon GNSS dual-constellation satellite receiver system, three laser profilers, wheel…

  • Knowing Your Numbers-Land Surveying Field Metrics for Success

    A while back, I wrote Knowing Your Numbers-How To Measure Your Success, an article on the importance of developing your own set of metrics and benchmarks to accurately measure your success, or failure, which is something we all need to understand. In this Premium Membership post I expand on that theme; specifically how to use land surveying…

  • Knowing Your Numbers-How To Measure Your Success

    Know your numbers to measure your success. We all need to know our numbers, but do you know what numbers are important for your success? The metrics and benchmarks to accurately measure our success, or failure, is something we all need to understand. This is true in any professional land surveyor business, whether you are…